/* -*- c-file-style: "linux" -*-
Copyright (C) 1998-2000 by Andrew Tridgell
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* options parsing code */
#include "rsync.h"
int make_backups = 0;
int whole_file = 0;
int copy_links = 0;
int preserve_links = 0;
int preserve_hard_links = 0;
int preserve_perms = 0;
int preserve_devices = 0;
int preserve_uid = 0;
int preserve_gid = 0;
int preserve_times = 0;
int update_only = 0;
int cvs_exclude = 0;
int dry_run=0;
int local_server=0;
int ignore_times=0;
int delete_mode=0;
int delete_excluded=0;
int one_file_system=0;
int remote_version=0;
int sparse_files=0;
int do_compression=0;
int am_root=0;
int orig_umask=0;
int relative_paths=0;
int numeric_ids = 0;
int force_delete = 0;
int io_timeout = 0;
int io_error = 0;
int read_only = 0;
int module_id = -1;
int am_server = 0;
int am_sender=0;
int recurse = 0;
int am_daemon=0;
int do_stats=0;
int do_progress=0;
int keep_partial=0;
int safe_symlinks=0;
int copy_unsafe_links=0;
int block_size=BLOCK_SIZE;
int size_only=0;
int bwlimit=0;
int delete_after=0;
int only_existing=0;
int max_delete=0;
int ignore_errors=0;
#ifdef _WIN32
int modify_window=2;
#else
int modify_window=0;
#endif
int blocking_io=0;
char *backup_suffix = BACKUP_SUFFIX;
char *tmpdir = NULL;
char *compare_dest = NULL;
char *config_file = RSYNCD_CONF;
char *shell_cmd = NULL;
char *log_format = NULL;
char *password_file = NULL;
char *rsync_path = RSYNC_NAME;
char *backup_dir = NULL;
int rsync_port = RSYNC_PORT;
int verbose = 0;
int quiet = 0;
int always_checksum = 0;
int list_only = 0;
static int modify_window_set;
struct in_addr socket_address = {INADDR_ANY};
static void print_rsync_version(void)
{
char const *got_socketpair = "no ";
#ifdef HAVE_SOCKETPAIR
got_socketpair = "";
#endif
rprintf(FINFO, "rsync version %s protocol version %d\n",
VERSION, PROTOCOL_VERSION);
rprintf(FINFO, "Configuration: %d-bit files, %ssocketpairs\n\n",
sizeof(int64) * 8,
got_socketpair);
rprintf(FINFO, "Written by Andrew Tridgell and Paul Mackerras "
"\n\n");
#ifdef NO_INT64
rprintf(FINFO, "WARNING: no 64-bit integers on this platform!\n");
#endif
}
void usage(enum logcode F)
{
rprintf(F,"rsync version %s Copyright Andrew Tridgell and Paul Mackerras\n\n",
VERSION);
#ifdef NO_INT64
rprintf(F, "WARNING: no 64-bit integers on this platform!\n");
#endif
rprintf(F,"rsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
rprintf(F," sources separated by space as long as they have same top-level\n");
rprintf(F,"\nOptions\n");
rprintf(F," -v, --verbose increase verbosity\n");
rprintf(F," -q, --quiet decrease verbosity\n");
rprintf(F," -c, --checksum always checksum\n");
rprintf(F," -a, --archive archive mode\n");
rprintf(F," -r, --recursive recurse into directories\n");
rprintf(F," -R, --relative use relative path names\n");
rprintf(F," -b, --backup make backups (default %s suffix)\n",BACKUP_SUFFIX);
rprintf(F," --backup-dir make backups into this directory\n");
rprintf(F," --suffix=SUFFIX override backup suffix\n");
rprintf(F," -u, --update update only (don't overwrite newer files)\n");
rprintf(F," -l, --links preserve soft links\n");
rprintf(F," -L, --copy-links treat soft links like regular files\n");
rprintf(F," --copy-unsafe-links copy links outside the source tree\n");
rprintf(F," --safe-links ignore links outside the destination tree\n");
rprintf(F," -H, --hard-links preserve hard links\n");
rprintf(F," -p, --perms preserve permissions\n");
rprintf(F," -o, --owner preserve owner (root only)\n");
rprintf(F," -g, --group preserve group\n");
rprintf(F," -D, --devices preserve devices (root only)\n");
rprintf(F," -t, --times preserve times\n");
rprintf(F," -S, --sparse handle sparse files efficiently\n");
rprintf(F," -n, --dry-run show what would have been transferred\n");
rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
rprintf(F," -B, --block-size=SIZE checksum blocking size (default %d)\n",BLOCK_SIZE);
rprintf(F," -e, --rsh=COMMAND specify rsh replacement\n");
rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
rprintf(F," --existing only update files that already exist\n");
rprintf(F," --delete delete files that don't exist on the sending side\n");
rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
rprintf(F," --delete-after delete after transferring, not before\n");
rprintf(F," --ignore-errors delete even if there are IO errors\n");
rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
rprintf(F," --partial keep partially transferred files\n");
rprintf(F," --force force deletion of directories even if not empty\n");
rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
rprintf(F," --timeout=TIME set IO timeout in seconds\n");
rprintf(F," -I, --ignore-times don't exclude files that match length and time\n");
rprintf(F," --size-only only use file size when determining if a file should be transferred\n");
rprintf(F," --modify-window=NUM Timestamp window (seconds) for file match (default=%d)\n",modify_window);
rprintf(F," -T --temp-dir=DIR create temporary files in directory DIR\n");
rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
rprintf(F," -P equivalent to --partial --progress\n");
rprintf(F," -z, --compress compress file data\n");
rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
rprintf(F," --version print version number\n");
rprintf(F," --daemon run as a rsync daemon\n");
rprintf(F," --address bind to the specified address\n");
rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
rprintf(F," --port=PORT specify alternate rsyncd port number\n");
rprintf(F," --blocking-io use blocking IO for the remote shell\n");
rprintf(F," --stats give some file transfer stats\n");
rprintf(F," --progress show progress during transfer\n");
rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
rprintf(F," --password-file=FILE get password from FILE\n");
rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n");
rprintf(F," -h, --help show this help screen\n");
rprintf(F,"\n");
rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
rprintf(F,"See http://rsync.samba.org/ for updates and bug reports\n");
}
enum {OPT_VERSION, OPT_SUFFIX, OPT_SENDER, OPT_SERVER, OPT_EXCLUDE,
OPT_EXCLUDE_FROM, OPT_DELETE, OPT_DELETE_EXCLUDED, OPT_NUMERIC_IDS,
OPT_RSYNC_PATH, OPT_FORCE, OPT_TIMEOUT, OPT_DAEMON, OPT_CONFIG, OPT_PORT,
OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_STATS, OPT_PARTIAL, OPT_PROGRESS,
OPT_COPY_UNSAFE_LINKS, OPT_SAFE_LINKS, OPT_COMPARE_DEST,
OPT_LOG_FORMAT, OPT_PASSWORD_FILE, OPT_SIZE_ONLY, OPT_ADDRESS,
OPT_DELETE_AFTER, OPT_EXISTING, OPT_MAX_DELETE, OPT_BACKUP_DIR,
OPT_IGNORE_ERRORS, OPT_BWLIMIT, OPT_BLOCKING_IO,
OPT_MODIFY_WINDOW};
static char *short_options = "oblLWHpguDCtcahvqrRIxnSe:B:T:zP";
static struct option long_options[] = {
{"version", 0, 0, OPT_VERSION},
{"server", 0, 0, OPT_SERVER},
{"sender", 0, 0, OPT_SENDER},
{"existing", 0, 0, OPT_EXISTING},
{"delete", 0, 0, OPT_DELETE},
{"delete-excluded", 0, 0, OPT_DELETE_EXCLUDED},
{"force", 0, 0, OPT_FORCE},
{"numeric-ids", 0, 0, OPT_NUMERIC_IDS},
{"exclude", 1, 0, OPT_EXCLUDE},
{"exclude-from",1, 0, OPT_EXCLUDE_FROM},
{"include", 1, 0, OPT_INCLUDE},
{"include-from",1, 0, OPT_INCLUDE_FROM},
{"rsync-path", 1, 0, OPT_RSYNC_PATH},
{"password-file", 1, 0, OPT_PASSWORD_FILE},
{"one-file-system",0, 0, 'x'},
{"ignore-times",0, 0, 'I'},
{"size-only", 0, 0, OPT_SIZE_ONLY},
{"modify-window",1, 0, OPT_MODIFY_WINDOW},
{"help", 0, 0, 'h'},
{"dry-run", 0, 0, 'n'},
{"sparse", 0, 0, 'S'},
{"cvs-exclude", 0, 0, 'C'},
{"archive", 0, 0, 'a'},
{"checksum", 0, 0, 'c'},
{"backup", 0, 0, 'b'},
{"update", 0, 0, 'u'},
{"verbose", 0, 0, 'v'},
{"quiet", 0, 0, 'q'},
{"recursive", 0, 0, 'r'},
{"relative", 0, 0, 'R'},
{"devices", 0, 0, 'D'},
{"perms", 0, 0, 'p'},
{"links", 0, 0, 'l'},
{"copy-links", 0, 0, 'L'},
{"copy-unsafe-links", 0, 0, OPT_COPY_UNSAFE_LINKS},
{"safe-links", 0, 0, OPT_SAFE_LINKS},
{"whole-file", 0, 0, 'W'},
{"hard-links", 0, 0, 'H'},
{"owner", 0, 0, 'o'},
{"group", 0, 0, 'g'},
{"times", 0, 0, 't'},
{"rsh", 1, 0, 'e'},
{"suffix", 1, 0, OPT_SUFFIX},
{"block-size", 1, 0, 'B'},
{"timeout", 1, 0, OPT_TIMEOUT},
{"temp-dir", 1, 0, 'T'},
{"compare-dest", 1, 0, OPT_COMPARE_DEST},
{"compress", 0, 0, 'z'},
{"daemon", 0, 0, OPT_DAEMON},
{"stats", 0, 0, OPT_STATS},
{"progress", 0, 0, OPT_PROGRESS},
{"partial", 0, 0, OPT_PARTIAL},
{"delete-after",0, 0, OPT_DELETE_AFTER},
{"ignore-errors",0, 0, OPT_IGNORE_ERRORS},
{"blocking-io" ,0, 0, OPT_BLOCKING_IO},
{"config", 1, 0, OPT_CONFIG},
{"port", 1, 0, OPT_PORT},
{"log-format", 1, 0, OPT_LOG_FORMAT},
{"bwlimit", 1, 0, OPT_BWLIMIT},
{"address", 1, 0, OPT_ADDRESS},
{"max-delete", 1, 0, OPT_MAX_DELETE},
{"backup-dir", 1, 0, OPT_BACKUP_DIR},
{0,0,0,0}};
static char err_buf[100];
void option_error(void)
{
if (err_buf[0]) {
rprintf(FLOG,"%s", err_buf);
rprintf(FERROR,"%s", err_buf);
} else {
rprintf(FLOG,"Error parsing options - unsupported option?\n");
rprintf(FERROR,"Error parsing options - unsupported option?\n");
}
exit_cleanup(RERR_UNSUPPORTED);
}
/* check to see if we should refuse this option */
static int check_refuse_options(char *ref, int opt)
{
int i, len;
char *p;
const char *name;
for (i=0; long_options[i].name; i++) {
if (long_options[i].val == opt) break;
}
if (!long_options[i].name) return 0;
name = long_options[i].name;
len = strlen(name);
while ((p = strstr(ref,name))) {
if ((p==ref || p[-1]==' ') &&
(p[len] == ' ' || p[len] == 0)) {
slprintf(err_buf,sizeof(err_buf),
"The '%s' option is not supported by this server\n", name);
return 1;
}
ref += len;
}
return 0;
}
int parse_arguments(int argc, char *argv[], int frommain)
{
int opt;
int option_index;
char *ref = lp_refuse_options(module_id);
while ((opt = getopt_long(argc, argv,
short_options, long_options, &option_index))
!= -1) {
if (ref) {
if (check_refuse_options(ref, opt)) return 0;
}
switch (opt) {
case OPT_VERSION:
print_rsync_version();
exit_cleanup(0);
case OPT_SUFFIX:
backup_suffix = optarg;
break;
case OPT_RSYNC_PATH:
rsync_path = optarg;
break;
case OPT_PASSWORD_FILE:
password_file =optarg;
break;
case 'I':
ignore_times = 1;
break;
case OPT_SIZE_ONLY:
size_only = 1;
break;
case OPT_MODIFY_WINDOW:
modify_window = atoi(optarg);
modify_window_set = 1;
break;
case 'x':
one_file_system=1;
break;
case OPT_DELETE:
delete_mode = 1;
break;
case OPT_EXISTING:
only_existing = 1;
break;
case OPT_DELETE_AFTER:
delete_after = 1;
break;
case OPT_DELETE_EXCLUDED:
delete_excluded = 1;
delete_mode = 1;
break;
case OPT_FORCE:
force_delete = 1;
break;
case OPT_NUMERIC_IDS:
numeric_ids = 1;
break;
case OPT_EXCLUDE:
add_exclude(optarg, 0);
break;
case OPT_INCLUDE:
add_exclude(optarg, 1);
break;
case OPT_EXCLUDE_FROM:
add_exclude_file(optarg,1, 0);
break;
case OPT_INCLUDE_FROM:
add_exclude_file(optarg,1, 1);
break;
case OPT_COPY_UNSAFE_LINKS:
copy_unsafe_links=1;
break;
case OPT_SAFE_LINKS:
safe_symlinks=1;
break;
case 'h':
usage(FINFO);
exit_cleanup(0);
case 'b':
make_backups=1;
break;
case 'n':
dry_run=1;
break;
case 'S':
sparse_files=1;
break;
case 'C':
cvs_exclude=1;
break;
case 'u':
update_only=1;
break;
case 'l':
preserve_links=1;
break;
case 'L':
copy_links=1;
break;
case 'W':
whole_file=1;
break;
case 'H':
#if SUPPORT_HARD_LINKS
preserve_hard_links=1;
#else
slprintf(err_buf,sizeof(err_buf),"hard links are not supported on this server\n");
rprintf(FERROR,"ERROR: hard links not supported on this platform\n");
return 0;
#endif
break;
case 'p':
preserve_perms=1;
break;
case 'o':
preserve_uid=1;
break;
case 'g':
preserve_gid=1;
break;
case 'D':
preserve_devices=1;
break;
case 't':
preserve_times=1;
break;
case 'c':
always_checksum=1;
break;
case 'v':
verbose++;
break;
case 'q':
if (frommain) quiet++;
break;
case 'a':
recurse=1;
#if SUPPORT_LINKS
preserve_links=1;
#endif
preserve_perms=1;
preserve_times=1;
preserve_gid=1;
preserve_uid=1;
preserve_devices=1;
break;
case OPT_SERVER:
am_server = 1;
break;
case OPT_SENDER:
if (!am_server) {
usage(FERROR);
exit_cleanup(RERR_SYNTAX);
}
am_sender = 1;
break;
case 'r':
recurse = 1;
break;
case 'R':
relative_paths = 1;
break;
case 'e':
shell_cmd = optarg;
break;
case 'B':
block_size = atoi(optarg);
break;
case OPT_MAX_DELETE:
max_delete = atoi(optarg);
break;
case OPT_TIMEOUT:
io_timeout = atoi(optarg);
break;
case 'T':
tmpdir = optarg;
break;
case OPT_COMPARE_DEST:
compare_dest = optarg;
break;
case 'z':
do_compression = 1;
break;
case OPT_DAEMON:
am_daemon = 1;
break;
case OPT_STATS:
do_stats = 1;
break;
case OPT_PROGRESS:
do_progress = 1;
break;
case OPT_PARTIAL:
keep_partial = 1;
break;
case OPT_IGNORE_ERRORS:
ignore_errors = 1;
break;
case OPT_BLOCKING_IO:
blocking_io = 1;
break;
case 'P':
do_progress = 1;
keep_partial = 1;
break;
case OPT_CONFIG:
config_file = optarg;
break;
case OPT_PORT:
rsync_port = atoi(optarg);
break;
case OPT_LOG_FORMAT:
log_format = optarg;
break;
case OPT_BWLIMIT:
bwlimit = atoi(optarg);
break;
case OPT_ADDRESS:
{
struct in_addr *ia;
if ((ia = ip_address(optarg))) {
socket_address = *ia;
}
}
break;
case OPT_BACKUP_DIR:
backup_dir = optarg;
break;
default:
/* FIXME: This can be confusing when the error message
* is coming from a remote server which has an older
* rsync version than the local version. The user
* sees the option documented in the local --help, but
* then the program seems to refuse to execute it. So
* perhaps the message should give the hostname or
* something.
*
* In rsync 3.x, it might be nice if options which
* only affect one end didn't have to bother the
* remote end. */
slprintf(err_buf,sizeof(err_buf),"unrecognised option\n");
return 0;
}
}
return 1;
}
/* need to pass all the valid options from the client to the server */
void server_options(char **args,int *argc)
{
int ac = *argc;
static char argstr[50];
static char bsize[30];
static char iotime[30];
static char mdelete[30];
static char mwindow[30];
static char bw[50];
int i, x;
args[ac++] = "--server";
if (!am_sender)
args[ac++] = "--sender";
x = 1;
argstr[0] = '-';
for (i=0;i